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The conversion and storage of energy by means of electrochemical processes can be greatly enhanced by the utilisation of centrifugal fields. Such system-wide fields pervade both the macro-scale, at which hydrodynamic flow processes occur, and the micro-scale at the electrode surface where electrochemical reactions proceed. This paper describes how intense centrifugal acceleration might be exploited to increase the electrochemical reaction rates in fuel cells and batteries, and thus to improve their overall performance characteristics. Some recent findings in the development and testing of a novel prototype centrifugal fuel cell are presented to indicate possible trends and future prospects of this approach.

Additional information

Authors: WORTH B, European Commission, Joint Research Centre, Institute for Environment and Sustainability, Ispra (IT)
Bibliographic Reference: An oral report given at: MECT-2002 Symposium Organised by: International Center for Heat and Mass Transfer (ICHMT) Held at: Antalya (TR), 14-19 April 2002
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